Porcelain Pin Post Insulators 5657-2

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Porcelain Pin Post Insulators 56/57-2
Dimensions
Diameter (D): 180mm
Spacing (H): 340mm)
Leakage Distance: 565mm
Dry Arcing Distance: 241mm
Net Weight Each: 11.0kg

Mechanical Values
Cantilever Strength: 12.5kN
Tension Strength: 22kN

Electrical Values
Low-frequency Dry Flashover Voltage: 110kV
Low-frequency Wet Flashover Voltage: 80kV
Critical Impulse Flashover Voltage, Positive: 180kV
Critical Impulse Flashover Voltage, Negative: 205kV
RIV Test Voltage to Ground: 22kV
Maximum RIV at 1,000kHz: 100μV

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